1) evaluate 5x^3 + 2 for x = -1.
2) simplify -|-5 + 2|.
3) simplify 6x + 6 + 5x - 8.
4) simplify 6 - (-2) - 3(-5).
5) how many terms are in the expression shown below?
x^2 - 10xy + 3y + y^2 - 1

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip